US7128626B2 - Marine steering assembly with connecting member - Google Patents

Marine steering assembly with connecting member Download PDF

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Publication number
US7128626B2
US7128626B2 US11/033,112 US3311205A US7128626B2 US 7128626 B2 US7128626 B2 US 7128626B2 US 3311205 A US3311205 A US 3311205A US 7128626 B2 US7128626 B2 US 7128626B2
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United States
Prior art keywords
axis
piston rod
propulsion unit
steering
cylinder
Prior art date
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Application number
US11/033,112
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US20060154535A1 (en
Inventor
Brian Dudra
Leon Keng
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Marine Canada Acquisition Inc
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Teleflex Canada Inc
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Assigned to TELEFLEX CANADA INCORPORATED reassignment TELEFLEX CANADA INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: DUDRA, BRIAN, KENG, LEON
Priority to US11/033,112 priority Critical patent/US7128626B2/en
Priority to EP20060700638 priority patent/EP1836088A4/fr
Priority to CA002532408A priority patent/CA2532408C/fr
Priority to PCT/CA2006/000022 priority patent/WO2006074540A1/fr
Publication of US20060154535A1 publication Critical patent/US20060154535A1/en
Publication of US7128626B2 publication Critical patent/US7128626B2/en
Application granted granted Critical
Assigned to ABLECO FINANCE LLC reassignment ABLECO FINANCE LLC GRANT OF SECURITY INTEREST - PATENTS Assignors: TELEFLEX CANADA INC., TELEFLEX CANADA LIMITED PARTNERSHIP
Assigned to TELEFLEX CANADA LIMITED PARTNERSHIP, MARINE CANADA ACQUISITION INC. reassignment TELEFLEX CANADA LIMITED PARTNERSHIP RELEASE OF GRANT OF A SECURITY INTEREST - PATENTS Assignors: ABLECO FINANCE LLC, AS COLLATERAL AGENT
Assigned to MARINE CANADA ACQUISITION INC. reassignment MARINE CANADA ACQUISITION INC. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: TELEFLEX CANADA INC.
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H25/00—Steering; Slowing-down otherwise than by use of propulsive elements; Dynamic anchoring, i.e. positioning vessels by means of main or auxiliary propulsive elements
    • B63H25/42—Steering or dynamic anchoring by propulsive elements; Steering or dynamic anchoring by propellers used therefor only; Steering or dynamic anchoring by rudders carrying propellers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
    • B63H20/08—Means enabling movement of the position of the propulsion element, e.g. for trim, tilt or steering; Control of trim or tilt
    • B63H20/12—Means enabling steering

Definitions

  • This invention relates to steering assemblies for simultaneously steering two or more marine propulsion units, and in particular, to a connecting member for coupling the propulsion units together, allowing for simultaneous steering.
  • Hydraulic steering systems have been developed for marine propulsion units. Such steering systems conventionally include a steering wheel with an associated hydraulic pump and hydraulic lines connecting the pump to a steering assembly.
  • the steering assembly is mounted on a propulsion unit.
  • the steering assembly includes a pivot plate or pivot member which is pivotally connected to the tiller of an outboard motor or other propulsion unit.
  • a pair of support arms or support brackets extend outwardly from the tilt tube of the motor.
  • the piston rod of a hydraulic actuator is mounted on the support arms.
  • the actuator has connecting members extending outwardly from the cylinder thereof which are pivotally connected to the pivot member for pivoting about an axis parallel to the piston rod.
  • a tie-bar When there are two or more propulsion units, a tie-bar typically connects the steering assembly to the second propulsion unit. Conventionally, the tie-bar is connected to the tillers or to plates attached to the tillers. More recently, as disclosed in U.S. Pat. No. 6,406,340 to Fetchko et al., the tie-bar has been connected to a member attached to the pivot plate, allowing for rotation of the steering assembly about a steering axis and arcuate movement of the steering assembly about a tilt axis that is generally perpendicular to the steering axis.
  • a hydraulic steering assembly for applying a force to two or more marine propulsion units.
  • Each propulsion unit has a steering axis and a tilt axis, the tilt axis being generally perpendicular to the steering axis thereof.
  • Each propulsion unit is rotatable about the steering axis thereof and is supported for arcuate movement about the tilt axis thereof.
  • the steering assembly comprises a hydraulic steering actuator, including a cylinder and an elongated piston rod.
  • the cylinder has a first end and a second end.
  • the elongated piston rod is reciprocatingly mounted within the cylinder and extends through the cylinder for movement along a piston rod axis.
  • a pair of support arms are pivotable about the tilt axis of a first said propulsion unit.
  • the support arms are connected to the piston rod, allowing arcuate movement of the piston rod about the tilt axis while maintaining the piston rod axis parallel to the tilt axis.
  • a pivot member is pivotally mounted on the first said propulsion unit for pivoting about a first link axis, which is generally parallel to the steering axis.
  • the actuator is pivotally connected to the pivot member for pivoting about a second link axis, which is generally parallel to the piston rod axis.
  • a connecting member is connected to the actuator.
  • An elongated member is pivotally connected to the connecting member and the elongated member is connected to a second said propulsion unit.
  • the elongated member may be pivotally connected to the connecting member by a ball joint.
  • the connecting member may be connected to the actuator, however, the connecting member may also be formed in one piece with the actuator.
  • the connecting member may also be connected to the pivot member, the pivot member preferably being a pivot plate.
  • the assembly may have the connecting member connected to the first end of the cylinder and another connecting member connected to the second end of the cylinder, the connecting members may be pivotally connected to the pivot plate for pivoting about the second link axis.
  • a connecting member for a hydraulic steering actuator includes a cylinder and an elongated piston rod reciprocatingly mounted within the cylinder.
  • the piston rod extends through the cylinder for movement along a piston rod axis.
  • the actuator steers two or more marine propulsion units. Each said propulsion unit is rotatable about a steering axis and about a tilt axis which is generally perpendicular to the steering axis thereof.
  • the connecting member comprises a means for connecting the connecting member to the actuator and a means for pivotally connecting an elongated member to the connecting member.
  • the elongated member may also be connected to a second marine propulsion unit, allowing for simultaneous steering of the first said propulsion unit and the second said propulsion unit.
  • the means for connecting the connecting member to the actuator may include a first cylindrical projection.
  • the connecting member may be connected to the actuator by inserting the first cylindrical projection into the cylinder.
  • the means for pivotally connecting the connecting member to the elongated member may include a clevis.
  • the elongated member may be connected to the connecting member at the clevis by a ball joint.
  • the connecting member includes a first potion and second portion.
  • the first portion may have a first side and a second side, the first side being opposite to the second side.
  • the second portion may also have a first side and a second side, the first side being opposite to the second side.
  • An aperture may extend from the first side of the first portion through to the second side of the first portion.
  • a clevis may be on the first side of the second portion.
  • a first cylindrical projection may be on the second side of the first portion. The first cylindrical projection may be circumambient to the aperture.
  • a second cylindrical projection may be on the first side of the second portion.
  • a hydraulic steering assembly for applying a force to two or more marine propulsion units.
  • Each propulsion unit has a steering axis and a tilt axis, the tilt axis being generally perpendicular to the steering axis thereof.
  • Each propulsion unit is rotatable about the steering axis thereof and is supported for arcuate movement about the tilt axis thereof.
  • the method comprises connecting an elongated member to a hydraulic steering actuator of a first said propulsion unit and connecting the elongated member to a second said propulsion unit.
  • the elongated member may be pivotally connected to the actuator.
  • a steering force for the second said propulsion unit may be transferred from the actuator along the elongated member to the second said propulsion unit.
  • the elongated member may be pivotally connected to the second said propulsion unit.
  • the invention offers a further advantage over to the prior art by reducing the number of bolted connections, consequently reducing cost and assembly time.
  • FIG. 1 is a top, rear isometric view of a hydraulic steering assembly according to an embodiment of the invention
  • FIG. 2 is an isometric view of one of the connecting members thereof.
  • FIG. 3 is an elevational view showing a hydraulic steering assembly according to an embodiment of the invention and a fragment of a second propulsion unit with the pivotal connections therebetween.
  • FIG. 1 this shows a hydraulic steering assembly 10 .
  • the steering assembly includes an actuator 15 which includes a cylinder 16 , a piston rod 20 and end portions 35 and 36 which form ends of the actuator in this embodiment.
  • One of the end portions in this example, namely end portion 35 comprises a connecting member, having an integral clevis 56 , shown in FIG. 2 , as described in more detail below, for connecting to member 65 shown in FIG. 3 .
  • the cylinder 16 has a first end 17 and a second end 18 .
  • the piston rod 20 is reciprocatingly mounted within the cylinder 16 , extending through the cylinder and the end portions 35 and 36 , allowing for movement of the piston rod along a piston rod axis 90 .
  • Each arm has an aperture 28 , shown for arm 25 , which connects each arm 25 and 26 to one end of the piston rod 20 , allowing for arcuate movement of the piston rod about the tilt axis 92 while maintaining the piston rod parallel to the tilt axis.
  • Hydraulic fittings 27 and 29 are connected to the actuator 15 at the opposite ends thereof for supplying hydraulic fluid to move the piston (not shown) and accordingly the piston rod 20 .
  • pivot plate 30 there is a pivot member, in this case a pivot plate 30 .
  • the pivot plate 30 is pivotally mounted on a propulsion unit 31 , shown in fragment in FIG. 3 , by a joint formed by a bolt 40 , a washer 42 and a nut (not shown), permitting the pivot plate to pivot about a first link axis 94 , which is parallel to a steering axis 95 .
  • the propulsion unit 31 could be an outboard motor or an inboard/outboard motor.
  • the actuator 15 is pivotally connected to the pivot plate 30 by the end portions 35 and 36 which allow pivoting of the actuator about a second link axis 96 which is parallel to the piston rod axis 90 .
  • the end portions 35 and 36 are connected to the first end 17 and second end 18 respectfully of the cylinder 16 .
  • End portion 35 is shown in better detail in FIG. 2 .
  • End portion 36 is similar to end portion 35 except end portion 36 does not have a clevis 56 as shown for end portion 35 .
  • the end portions 35 and 36 each have a first portion 80 and a second portion 85 .
  • the first portion 80 has a first side 81 and a second side 82 , the first side being opposite to the second side.
  • the second portion 85 also has a first side 86 and second side 87 , the first side being opposite to the second side.
  • the end portions 35 and 36 each also have an aperture 50 , which is co-axially aligned with the piston rod axis.
  • the piston rod 20 extends slidably through the aperture 50 .
  • the first cylindrical projection 52 is received within the cylinder 16 , connecting the end portion to the cylinder 16 .
  • Bolts (not shown) extend through apertures 60 and 62 and corresponding threaded apertures in the cylinder 16 .
  • the end portions 35 and 36 each further have a second cylindrical projection 54 which is co-axially aligned with the second link axis 96 when the end portions are installed.
  • the second cylindrical projection of each of the end portions is rotatably received within a complementary recess 97 of the pivot plate 30 , as shown in FIG. 1 .
  • the second cylindrical projections 54 and complementary cylindrical recesses serve to pivotally connect the end portions 35 and 36 to the pivot plate, allowing for pivoting of the actuator 15 about the second link axis 96 which is parallel to the piston rod axis 90 .
  • End portion 35 serves as a connecting member and has a clevis 56 .
  • end portion 36 in this example lacks the clevis.
  • end portion 36 could have a clevis, it would be unused in the illustrated example.
  • the clevis includes a pair of projections 57 and 58 with a space 59 therebetween. Apertures 61 and 63 extend through the projections 57 and 58 .
  • An elongated member 65 a tie-rod in this example, is connected at one end to the end portion 35 by an articulated connection, in this case a ball joint 73 .
  • the elongated member 65 is received in the space 59 of the clevis 56 , as shown in FIG. 3 .
  • a bolt 75 extends through the apertures 61 and 63 and the ball joint.
  • the opposite end of the elongated member is pivotally connected to a second propulsion unit 70 , in this case by a bolt 69 and ball joint 67 connected to the tiller thereof.
  • the elongated member 65 is connected to end portion 35 at one end of the actuator 15 .
  • it could be pivotally connected to the actuator 15 by a connecting member or some other pivotal connection elsewhere on the cylinder.
  • the connection could be between the ends of the cylinder.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Actuator (AREA)
US11/033,112 2005-01-12 2005-01-12 Marine steering assembly with connecting member Active US7128626B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US11/033,112 US7128626B2 (en) 2005-01-12 2005-01-12 Marine steering assembly with connecting member
EP20060700638 EP1836088A4 (fr) 2005-01-12 2006-01-09 Ensemble servodirection hydraulique muni d'un element d'accouplement
CA002532408A CA2532408C (fr) 2005-01-12 2006-01-09 Ensemble de direction de systeme de propulsion marin avec element de raccordement
PCT/CA2006/000022 WO2006074540A1 (fr) 2005-01-12 2006-01-09 Ensemble servodirection hydraulique muni d'un element d'accouplement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/033,112 US7128626B2 (en) 2005-01-12 2005-01-12 Marine steering assembly with connecting member

Publications (2)

Publication Number Publication Date
US20060154535A1 US20060154535A1 (en) 2006-07-13
US7128626B2 true US7128626B2 (en) 2006-10-31

Family

ID=36653860

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/033,112 Active US7128626B2 (en) 2005-01-12 2005-01-12 Marine steering assembly with connecting member

Country Status (4)

Country Link
US (1) US7128626B2 (fr)
EP (1) EP1836088A4 (fr)
CA (1) CA2532408C (fr)
WO (1) WO2006074540A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080026655A1 (en) * 2004-06-29 2008-01-31 Ultraflex S.P.A. Steering Hydraulic Deivce for Marine Motors
US20090142974A1 (en) * 2007-12-04 2009-06-04 Strobel Wesley M Steering connection system for connecting two or more marine propulsion devices
US20110009017A1 (en) * 2009-07-10 2011-01-13 Steven Winiski cable steering system for a marine vessel which has a primary propulsion unit and an auxiliary propulsion unit
US20120135649A1 (en) * 2010-09-22 2012-05-31 Morvillo Robert A System for controlling marine craft with steerable propellers
US8425270B2 (en) 2011-01-18 2013-04-23 Marine Canada Acquisition Inc. Length-adjustable tie bar for marine engines
US8430702B2 (en) * 2011-03-25 2013-04-30 Noam Davidson Steering assembly for a marine vessel with vertically offset propulsion
US8992273B2 (en) 2009-07-10 2015-03-31 Marine Canada Acquisition Inc. Cable steering system for a marine vessel which has a primary propulsion unit and an auxiliary propulsion unit
US10370078B2 (en) 2014-09-10 2019-08-06 Robert A. Morvillo Method and system for determining an estimated steering angle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10683074B2 (en) 2011-03-25 2020-06-16 Marine Canada Acquisition Inc. Steering assembly for a marine vessel with vertically offset propulsion units
CA2939322C (fr) * 2014-02-13 2022-07-05 Marine Canada Acquisition Inc. Systeme de commande de vaisseau marin pour commander un mouvement d'un vaisseau marin ayant quatre unites de propulsion

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573930A (en) 1979-08-20 1986-03-04 Queen Charles L Steering mechanisms for outboard motor
US4778418A (en) * 1987-08-31 1988-10-18 Outboard Marine Corporation Tie bar for marine propulsion devices
US4836812A (en) * 1988-03-18 1989-06-06 Brunswick Corporation Steering system for auxiliary marine engine
US5092801A (en) 1990-10-24 1992-03-03 Teleflex Incorporated Hydraulic steering assembly for outboard marine engines
US5643022A (en) 1995-09-01 1997-07-01 Imo Industries, Inc. Steering cylinder with engine-clearance features and method for making the cylinder
US5997370A (en) 1998-01-23 1999-12-07 Teleflex (Canada) Limited Outboard hydraulic steering assembly with reduced support bracket rotation
US6406340B1 (en) 1998-01-23 2002-06-18 Teleflex (Canada) Limited Twin outboard motor hydraulic steering system
US6913497B1 (en) * 2004-03-29 2005-07-05 Brunswick Corporation Tandem connection system for two or more marine propulsion devices

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB873338A (en) * 1958-11-03 1961-07-19 E W Bliss England Ltd Improvements in and relating to cold extrusion presses
US5843022A (en) * 1995-10-25 1998-12-01 Scimied Life Systems, Inc. Intravascular device utilizing fluid to extract occlusive material

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4573930A (en) 1979-08-20 1986-03-04 Queen Charles L Steering mechanisms for outboard motor
US4778418A (en) * 1987-08-31 1988-10-18 Outboard Marine Corporation Tie bar for marine propulsion devices
US4836812A (en) * 1988-03-18 1989-06-06 Brunswick Corporation Steering system for auxiliary marine engine
US5092801A (en) 1990-10-24 1992-03-03 Teleflex Incorporated Hydraulic steering assembly for outboard marine engines
US5643022A (en) 1995-09-01 1997-07-01 Imo Industries, Inc. Steering cylinder with engine-clearance features and method for making the cylinder
US5997370A (en) 1998-01-23 1999-12-07 Teleflex (Canada) Limited Outboard hydraulic steering assembly with reduced support bracket rotation
US6406340B1 (en) 1998-01-23 2002-06-18 Teleflex (Canada) Limited Twin outboard motor hydraulic steering system
US6913497B1 (en) * 2004-03-29 2005-07-05 Brunswick Corporation Tandem connection system for two or more marine propulsion devices

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080026655A1 (en) * 2004-06-29 2008-01-31 Ultraflex S.P.A. Steering Hydraulic Deivce for Marine Motors
US20090142974A1 (en) * 2007-12-04 2009-06-04 Strobel Wesley M Steering connection system for connecting two or more marine propulsion devices
US7878872B2 (en) 2007-12-04 2011-02-01 Strobel Wesley M Steering connection system for connecting two or more marine propulsion devices
US8992273B2 (en) 2009-07-10 2015-03-31 Marine Canada Acquisition Inc. Cable steering system for a marine vessel which has a primary propulsion unit and an auxiliary propulsion unit
US20110009017A1 (en) * 2009-07-10 2011-01-13 Steven Winiski cable steering system for a marine vessel which has a primary propulsion unit and an auxiliary propulsion unit
US8151723B2 (en) 2009-07-10 2012-04-10 Marine Canada Acquisition Inc. Cable steering system for a marine vessel which has a primary propulsion unit and an auxiliary propulsion unit
US9340271B2 (en) * 2010-09-22 2016-05-17 Robert A. Morvillo System for controlling marine craft with steerable propellers
US20120135649A1 (en) * 2010-09-22 2012-05-31 Morvillo Robert A System for controlling marine craft with steerable propellers
US20170015399A1 (en) * 2010-09-22 2017-01-19 Robert A. Morvillo System for controlling marine craft with steerable propellers
US8425270B2 (en) 2011-01-18 2013-04-23 Marine Canada Acquisition Inc. Length-adjustable tie bar for marine engines
US8430702B2 (en) * 2011-03-25 2013-04-30 Noam Davidson Steering assembly for a marine vessel with vertically offset propulsion
US10370078B2 (en) 2014-09-10 2019-08-06 Robert A. Morvillo Method and system for determining an estimated steering angle
US11148779B2 (en) 2014-09-10 2021-10-19 Robert A. Morvillo System for controlling marine craft with steerable drives
US11845524B2 (en) 2014-09-10 2023-12-19 Robert A. Morvillo System for controlling marine craft with steerable drives

Also Published As

Publication number Publication date
WO2006074540A1 (fr) 2006-07-20
EP1836088A4 (fr) 2011-12-07
CA2532408C (fr) 2008-08-26
EP1836088A1 (fr) 2007-09-26
US20060154535A1 (en) 2006-07-13
CA2532408A1 (fr) 2006-07-12

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